Peugeot 407 Thermostat Problems
Problems mentioning the Thermostat on the Peugeot 407
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What problems can be caused by a faulty Thermostat?
Check Engine warning light showing on dashboard
The dashboard warning light showing on this page (or one very similar, sometimes a slightly different shape or colour) has appeared on the dashboard and doesn't go off when the car is running.
Engine Temperature warning light showing on dashboard
The engine temperature warning light shown in the picture (or one very similar depending on the car manufacturer) has appeared on the dashboard and stays on.
Heater not working
The heater does not come on at all, the controls make no difference, there is no sound or hot air coming from the heater.